US Patent: 1,517,399
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| Tool Handle
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Patentee:
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| Lawrence A. Burch (exact or similar names) - Jamestown, Chautauqua County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 28, 1923 |
| Granted: |
Dec. 02, 1924 |
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Patent Pictures:
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Lawrence A. Burch patent December 2, 1924 |
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Stan Schulz
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Description: |
| The patent includes the solid center bolt bearing on the screwdriver blade or other tool in the socket, means to tighten the bolt to insure solid contact between the bolt and inserted tool, and the use of a spring / ball detent to hold said tool in the socket.
Clarence S. Walker patent attorney |
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